Users may be unable to access various Microsoft 365 apps and services

Title: Users may be unable to access various Microsoft 365 apps and services

User impact: Users may be unable to access various Microsoft 365 apps and services.

More info: Our internal telemetry and customer signals indicate that the following services are recovered:
- Microsoft Defender
- Microsoft Defender for Endpoint
- Microsoft Defender Experts
- Microsoft Intune
- Microsoft OneNote
- OneDrive for Business
- SharePoint Online
- Windows 365
- Viva Engage
- Microsoft Purview
- Microsoft Fabric
- PowerBI
- Microsoft Teams
- Microsoft 365 admin center

Current status: We've completed applying our mitigation actions and our telemetry is now indicating all previously impacted Microsoft 365 apps or services are operating normally. We're now entering a period of monitoring to ensure all previously impacted apps, services, and scenarios have fully recovered.

Scope of impact: This issue may be impacting any user attempting to use various Microsoft 365 apps and services.

Start time: Thursday, July 18, 2024, at 9:56 PM UTC

Preliminary root cause: A configuration change in a portion of our Azure backend workloads, caused interruption between storage and compute resources which resulted in connectivity failures that affected downstream Microsoft 365 services dependent on these connections.

Next update by: Friday, July 19, 2024, at 3:30 PM UTC

We're continuing to resolve the residual impact and we're monitoring the Microsoft 365 apps and services while they fully recover. Customers should experience incremental recovery as we recover from the remaining impact.

This quick update is designed to give the latest information on this issue.

Title: Users may be unable to access various Microsoft 365 apps and services

User impact: Users may be unable to access various Microsoft 365 apps and services.

More info: Users may notice that some of the affected users are seeing relief as we continue to mitigate the impact.

Impacted services may include but are not limited to the following:
- Microsoft Teams: Users may be unable to leverage Microsoft Teams functions including presence, group chats, and user registration.
- Microsoft 365 admin center: Admins may be intermittently unable to access the Microsoft 365 admin center and any action may be delayed if accessible.

Our internal telemetry and customer signals indicate that the following services are recovered:
- Microsoft Defender
- Microsoft Defender for Endpoint
- Microsoft Defender Experts
- Microsoft Intune
- Microsoft OneNote
- OneDrive for Business
- SharePoint Online
- Windows 365
- Viva Engage
- Microsoft Purview
- Microsoft Fabric
- PowerBI

Current status: We're continuing to apply mitigation actions to provide relief from the residual impact affecting the remaining impacted Microsoft 365 apps and services. Our telemetry is indicating that the remaining impacted scenarios are progressing towards a full recovery and we're closely monitoring to ensure this
progress continues.

Scope of impact: This issue may be impacting any user attempting to use various Microsoft 365 apps and services.

Start time: Thursday, July 18, 2024, at 9:56 PM UTC

Preliminary root cause: A configuration change in a portion of our Azure backend workloads, caused interruption between storage and compute resources which resulted in connectivity failures that affected downstream Microsoft 365 services dependent on these connections.

Next update by: Friday, July 19, 2024, at 2:30 PM UTC

We're continuing to apply additional mitigations to fix the residual impact affecting the remaining impacted Microsoft 365 apps and services. Our telemetry indicates that we're progressing towards full recovery and we're continuing to monitor.

This quick update is designed to give the latest information on this issue.

Title: Users may be unable to access various Microsoft 365 apps and services

User impact: Users may be unable to access various Microsoft 365 apps and services.

More info: Users may notice that some of the affected users are seeing relief as we continue to mitigate the impact.

Impacted services may include but are not limited to the following:
- PowerBI: Users may notice that their service is in read-only mode while we address impact.
- Microsoft Fabric: Users may notice that their service is in read-only mode while we address impact.
- Microsoft Teams: Users may be unable to leverage Microsoft Teams functions including presence, group chats, and user registration.
- Microsoft 365 admin center: Admins may be intermittently unable to access the Microsoft 365 admin center and any action may be delayed if accessible.

Our internal telemetry and customer signals indicate that the following services are recovered:
- Microsoft Defender
- Microsoft Defender for Endpoint
- Microsoft Defender Experts
- Microsoft Intune
- Microsoft OneNote
- OneDrive for Business
- SharePoint Online
- Windows 365
- Viva Engage
- Microsoft Purview

Current status: The underlying cause of the issue has been fixed and several Microsoft 365 apps and services have been restored to full functionality. Residual impact is still affecting some Microsoft 365 apps and services, and Microsoft 365 engineering are continuing to conduct additional mitigation actions to provide relief. We're continuing to observe an increase in functionality and availability for the remaining impacted scenarios and we're monitoring this closely to ensure we're progressing towards full recovery. Microsoft is continuing to treat this event with the highest possible priority.

Scope of impact: This issue may be impacting any user attempting to use various Microsoft 365 apps and services.

Start time: Thursday, July 18, 2024, at 9:56 PM UTC

Preliminary root cause: A configuration change in a portion of our Azure backend workloads, caused interruption between storage and compute resources which resulted in connectivity failures that affected downstream Microsoft 365 services dependent on these connections.

Next update by: Friday, July 19, 2024, at 12:30 PM UTC

We're conducting additional mitigation actions to remediate impact for the remaining affected Microsoft 365 apps and services. Our telemetry indicates functionality and availability are continuing to improve across multiple scenarios, and we're monitoring this closely to ensure we're progressing towards full recovery.

This quick update is designed to give the latest information on this issue.

Title: Users may be unable to access various Microsoft 365 apps and services

User impact: Users may be unable to access various Microsoft 365 apps and services.

More info: Users may notice that some of the affected users are seeing relief as we continue to mitigate the impact.

Impacted services may include but are not limited to the following:
- PowerBI: Users may notice that their service is in read-only mode while we address impact.
- Microsoft Fabric: Users may notice that their service is in read-only mode while we address impact.
- Microsoft Teams: Users may be unable to leverage Microsoft Teams functions including presence, group chats, and user registration.
- Microsoft 365 admin center: Admins may be intermittently unable to access the Microsoft 365 admin center and any action may be delayed if accessible.

Our internal telemetry and customer signals indicate that the following services are recovered:
- Microsoft Defender
- Microsoft Defender for Endpoint
- Microsoft Defender Experts
- Microsoft Intune
- Microsoft OneNote
- OneDrive for Business
- SharePoint Online
- Windows 365
- Viva Engage
- Microsoft Purview

Current status: We're continuing to see an improvement in service availability across multiple Microsoft 365 apps and services. We're closely monitoring our telemetry data to ensure this upward trend continues as our mitigation actions continue to progress.

Scope of impact: This issue may be impacting any user attempting to use various Microsoft 365 apps and services.

Start time: Thursday, July 18, 2024, at 9:56 PM UTC

Preliminary root cause: A configuration change in a portion of our Azure backend workloads, caused interruption between storage and compute resources which resulted in connectivity failures that affected downstream Microsoft 365 services dependent on these connections.

Next update by: Friday, July 19, 2024, at 10:30 AM UTC

Title: Users may be unable to access various Microsoft 365 apps and services

User impact: Users may be unable to access various Microsoft 365 apps and services.

More info: Users may notice that some of the affected users are seeing relief as we continue to mitigate the impact.

Impacted services may include but are not limited to the following:
- PowerBI: Users may notice that their service is in read-only mode while we address impact.
- Microsoft Fabric: Users may notice that their service is in read-only mode while we address impact.
- Microsoft Teams: Users may be unable to leverage Microsoft Teams functions including presence, group chats, and user registration.
- Microsoft 365 admin center: Admins may be intermittently unable to access the Microsoft 365 admin center and any action may be delayed if accessible.
- Microsoft Purview: Users will see a delay in events being processed in Microsoft Purview.

Our internal telemetry and customer signals indicate that the following services are recovered:
- Microsoft Defender: Users may be intermittently unable to access the Microsoft Defender portal. Additionally, users may notice delays of up to two hours when raising new detections.
- Microsoft Defender for Endpoint: Admins and users may notice API requests failing and errors when opening Alerts in the Alerts page.
- Microsoft Defender Experts: Users may notice delays in responses from Defender Experts due to delays in ingestion of incidents and alerts.
- Microsoft Intune: Users may experience failures with device check-in, syncing and device enrollment.
- Microsoft OneNote: Users may be unable to sync content, have delays syncing notebooks, or may be unable to open notebooks.
- OneDrive for Business: Users may be unable to access OneDrive for Business content.
- SharePoint Online: Users may be unable to access SharePoint Online sites.
- Windows 365: Admins may be unable to manage existing Cloud PCs or provision new Cloud PCs. End users in the impacted region may not be able to access their Cloud PC.
- Viva Engage: Users may be unable to access Viva Engage.

Current status: We're continuing to progress on our mitigation efforts for the affected Microsoft 365 apps and services. We still expect users to see remediation as we address residual impact.

Scope of impact: This issue may be impacting any user attempting to use various Microsoft 365 apps and services.

Start time: Thursday, July 18, 2024, at 9:56 PM UTC

Preliminary root cause: A configuration change in a portion of our Azure backend workloads, caused interruption between storage and compute resources which resulted in connectivity failures that affected downstream Microsoft 365 services dependent on these connections.

Next update by: Friday, July 19, 2024, by 8:30 AM UTC

Title: Users may be unable to access various Microsoft 365 apps and services

User impact: Users may be unable to access various Microsoft 365 apps and services.

More info: Users may notice that some of the affected users are seeing relief as we continue to mitigate the impact.

Impacted services may include but are not limited to the following:
- PowerBI: Users may notice that their service is in read-only mode while we address impact.
- Microsoft Fabric: Users may notice that their service is in read-only mode while we address impact.
- Microsoft Teams: Users may be unable to leverage Microsoft Teams functions including presence, group chats, and user registration.
- Microsoft 365 admin center: Admins may be intermittently unable to access the Microsoft 365 admin center and any action may be delayed if accessible.
- Microsoft Purview: Users will see a delay in events being processed in Microsoft Purview.
- Viva Engage: Users may be unable to access Viva Engage.

Our internal telemetry and customer signals indicate that the following services are recovered:
- Microsoft Defender: Users may be intermittently unable to access the Microsoft Defender portal. Additionally, users may notice delays of up to two hours when raising new detections.
- Microsoft Defender for Endpoint: Admins and users may notice API requests failing and errors when opening Alerts in the Alerts page.
- Microsoft Defender Experts: Users may notice delays in responses from Defender Experts due to delays in ingestion of incidents and alerts.
- Microsoft Intune: Users may experience failures with device check-in, syncing and device enrollment.
- Microsoft OneNote: Users may be unable to sync content, have delays syncing notebooks, or may be unable to open notebooks.
- OneDrive for Business: Users may be unable to access OneDrive for Business content.
- SharePoint Online: Users may be unable to access SharePoint Online sites.
- Windows 365: Admins may be unable to manage existing Cloud PCs or provision new Cloud PCs. End users in the impacted region may not be able to access their Cloud PC.

Current status: We remain committed in treating this event with the highest priority and urgency while we continue to address the lingering impact for the remaining Microsoft 365 apps that are in a degraded state. We'll continue to update our “More info” with the latest status updates for the affected services.

Scope of impact: This issue may be impacting any user attempting to use various Microsoft 365 apps and services.

Start time: Thursday, July 18, 2024, at 9:56 PM UTC

Preliminary root cause: A configuration change in a portion of our Azure backend workloads, caused interruption between storage and compute resources which resulted in connectivity failures that affected downstream Microsoft 365 services dependent on these connections.

Next update by: Friday, July 19, 2024, by 7:30 AM UTC

Title: Users may be unable to access various Microsoft 365 apps and services

User impact: Users may be unable to access various Microsoft 365 apps and services.

More info: Users may notice that some of the affected users are seeing relief as we continue to mitigate the impact.

Impacted services may include but are not limited to the following:
- PowerBI: Users may notice that their service is in read-only mode while we address impact.
- Microsoft Fabric: Users may notice that their service is in read-only mode while we address impact.
- Microsoft Teams: Users may be unable to leverage Microsoft Teams functions including presence, group chats, and user registration.
- Microsoft 365 admin center: Admins may be intermittently unable to access the Microsoft 365 admin center and any action may be delayed if accessible.
- Microsoft Purview: Users will see a delay in events being processed in Microsoft Purview.
- Viva Engage: Users may be unable to access Viva Engage.

Our internal telemetry and customer signals indicate that the following services are recovered:
- Microsoft Defender: Users may be intermittently unable to access the Microsoft Defender portal. Additionally, users may notice delays of up to two hours when raising new detections.
- Microsoft Defender for Endpoint: Admins and users may notice API requests failing and errors when opening Alerts in the Alerts page.
- Microsoft Intune: Users may experience failures with device check-in, syncing and device enrollment.
- Microsoft OneNote: Users may be unable to sync content, have delays syncing notebooks, or may be unable to open notebooks.
- OneDrive for Business: Users may be unable to access OneDrive for Business content.
- SharePoint Online: Users may be unable to access SharePoint Online sites.
- Windows 365: Admins may be unable to manage existing Cloud PCs or provision new Cloud PCs. End users in the impacted region may not be able to access their Cloud PC.

Current status: We have completed our mitigation efforts to address the configuration change within the Azure service which contributed to this incident. We appreciate your organization's patience while we work on addressing residual impact amongst our Microsoft 365 apps and services.

Scope of impact: This issue may be impacting any user attempting to use various Microsoft 365 apps and services.

Start time: Thursday, July 18, 2024, at 9:56 PM UTC

Preliminary root cause: A configuration change in a portion of our Azure backend workloads, caused interruption between storage and compute resources which resulted in connectivity failures that affected downstream Microsoft 365 services dependent on these connections.

Next update by: Friday, July 19, 2024, by 6:30 AM UTC

Title: Users may be unable to access various Microsoft 365 apps and services

User impact: Users may be unable to access various Microsoft 365 apps and services.

More info: Users may notice that some of the affected users are seeing relief as we continue to mitigate the impact.

Impacted services may include but are not limited to the following:
- PowerBI: Users may notice that their service is in read-only mode while we address impact.
- Microsoft Fabric: Users may notice that their service is in read-only mode while we address impact.
- Microsoft Teams: Users may be unable to leverage Microsoft Teams functions including presence, group chats, and user registration.
- Microsoft 365 admin center: Admins may be intermittently unable to access the Microsoft 365 admin center and any action may be delayed if accessible.
- Microsoft Purview: Users will see a delay in events being processed in Microsoft Purview.
- Viva Engage: Users may be unable to access Viva Engage.

Our internal telemetry and customer signals indicate that the following services are recovered:
- Microsoft Defender: Users may be intermittently unable to access the Microsoft Defender portal. Additionally, users may notice delays of up to two hours when raising new detections.
- Microsoft Defender for Endpoint: Admins and users may notice API requests failing and errors when opening Alerts in the Alerts page.
- Microsoft Intune: Users may experience failures with device check-in, syncing and device enrollment.
- Microsoft OneNote: Users may be unable to sync content, have delays syncing notebooks, or may be unable to open notebooks.
- OneDrive for Business: Users may be unable to access OneDrive for Business content.
- SharePoint Online: Users may be unable to access SharePoint Online sites.
- Windows 365: Admins may be unable to manage existing Cloud PCs or provision new Cloud PCs. End users in the impacted region may not be able to access their Cloud PC.

Current status: We have determined the cause of the issue to be a configuration change within the Azure service which inadvertently resulted in connectivity failures for downstream Microsoft 365 services.
We still expect that users will continue to see gradual relief as we continue to mitigate the issue. The latest information on impacted and recovered services will be provided within the "More info" section of this communication. Additionally, we are shifting our focus to developing a mitigation that
will help resolve
the underlying source of the problem.

Scope of impact: This issue may be impacting any user attempting to use various Microsoft 365 apps and services.

Start time: Thursday, July 18, 2024, at 9:56 PM UTC

Preliminary root cause: A configuration change in a portion of our Azure backend workloads, caused interruption between storage and compute resources which resulted in connectivity failures that affected downstream Microsoft 365 services dependent on these connections.

Next update by: Friday, July 19, 2024, by 5:30 AM UTC

Title: Users may be unable to access various Microsoft 365 apps and services

User impact: Users may be unable to access various Microsoft 365 apps and services.

More info: Users may notice that some of the affected users are seeing relief as we continue to mitigate the impact.

Impacted services may include but are not limited to the following:
- SharePoint Online: Users may be unable to access SharePoint Online sites.
- OneDrive for Business: Users may be unable to access OneDrive for Business content.
- Microsoft Teams: Users may be unable to leverage Microsoft Teams functions including chat, messaging, and meeting management.
- Microsoft Intune: Users may experience failures with device check-in, syncing and device enrollment.
- PowerBI: Users may notice that their service is in read-only mode while we address impact.
- Microsoft Fabric: Users may notice that their service is in read-only mode while we address impact.
- Microsoft Defender: Users may be intermittently unable to access the Microsoft Defender portal. Additionally, users may notice delays of up to two hours when raising new detections.
- Microsoft Defender for Endpoint: Admins and users may notice API requests failing and errors when opening Alerts in the Alerts page.
- Viva Engage: Users may be unable to access Viva Engage.
- Microsoft OneNote: Users may be unable to sync content, have delays syncing notebooks, or may be unable to open notebooks.
- Microsoft 365 admin center: Admins may be intermittently unable to access the Microsoft 365 admin center and any action may be delayed if accessible.
- Microsoft Purview: Users will see a delay in events being processed in Microsoft Purview.
- Windows 365: Admins may be unable to manage existing Cloud PCs or provision new Cloud PCs. End users in the impacted region may not be able to access their Cloud PC.

Current status: We're continuing to notice service health improvements and users will gradually see relief as our efforts progress. Concurrently, we're still developing a fix to address the underlying issue of this incident. We appreciate your organization's patience and understanding while we resolve this event.

Scope of impact: This issue is impacting various Microsoft 365 apps and services for users.

Next update by: Friday, July 19, 2024, by 4:30 AM UTC

Title: Users may be unable to access various Microsoft 365 apps and services

User impact: Users may be unable to access various Microsoft 365 apps and services.

More info: Users may notice that some of the affected users are seeing relief as we continue to mitigate the impact.

Impacted services may include but are not limited to the following:
- SharePoint Online: Users may be unable to access SharePoint Online sites.
- OneDrive for Business: Users may be unable to access OneDrive for Business content.
- Microsoft Teams: Users may be unable to leverage Microsoft Teams functions including chat, messaging, and meeting management.
- Microsoft Intune: Users may experience failures with device check-in, syncing and device enrollment.
- PowerBI: Users may notice that their service is in read-only mode while we address impact.
- Microsoft Fabric: Users may notice that their service is in read-only mode while we address impact.
- Microsoft Defender: Users may be intermittently unable to access the Microsoft Defender portal. Additionally, users may notice delays of up to two hours when raising new detections.
- Microsoft Defender for Endpoint: Admins and users may notice API requests failing and errors when opening Alerts in the Alerts page.
- Viva Engage: Users may be unable to access Viva Engage.
- Microsoft OneNote: Users may be unable to sync content, have delays syncing notebooks, or may be unable to open notebooks.
- Microsoft 365 admin center: Admins may be intermittently unable to access the Microsoft 365 admin center and any action may be delayed if accessible.
- Microsoft Purview: Users will see a delay in events being processed in Microsoft Purview.
- Windows 365: Admins may be unable to manage existing Cloud PCs or provision new Cloud PCs. End users in the impacted region may not be able to access their Cloud PC.

Current status: We’re still observing a positive trend of service availability as our mitigation efforts progress. In parallel, we are working on a mitigation to address the suspected root cause of this event. We remain committed to treating this incident with the highest priority to ensure it resolves in a timely manner.

Scope of impact: This issue is impacting various Microsoft 365 apps and services for users.

Next update by: Friday, July 19, 2024, by 3:30 AM UTC

Title: Users may be unable to access various Microsoft 365 apps and services

User impact: Users may be unable to access various Microsoft 365 apps and services.

More info: Users may notice that some of the affected users are seeing relief as we continue to mitigate the impact.

Impacted services may include but are not limited to the following:
- SharePoint Online: Users may be unable to access SharePoint Online sites.
- OneDrive for Business: Users may be unable to access OneDrive for Business content.
- Microsoft Teams: Users may be unable to leverage Microsoft Teams functions including chat, messaging, and meeting management.
- Microsoft Intune: Users may experience failures with device check-in, syncing and device enrollment.
- PowerBI: Users may notice that their service is in read-only mode while we address impact.
- Microsoft Fabric: Users may notice that their service is in read-only mode while we address impact.
- Microsoft Defender: Users may be intermittently unable to access the Microsoft Defender portal. Additionally, users may notice delays of up to two hours when raising new detections.
- Microsoft Defender for Endpoint: Admins and users may notice API requests failing and errors when opening Alerts in the Alerts page.
- Viva Engage: Users may be unable to access Viva Engage.
- Microsoft OneNote: Users may be unable to sync content, have delays syncing notebooks, or may be unable to open notebooks.
- Microsoft 365 admin center: Admins may be intermittently unable to access the Microsoft 365 admin center and any action may be delayed if accessible.
- Microsoft Purview: Users will see a delay in events being processed in Microsoft Purview.
- Windows 365: Admins may be unable to manage existing Cloud PCs or provision new Cloud PCs. End users in the impacted region may not be able to access their Cloud PC.

Current status: Our internal telemetry and customer signals indicate that service availability is gradually returning to a healthy state following our traffic redirection efforts. We have also identified a potential root cause that may have contributed to the impact. Our team is currently validating these findings and our mitigation strategy to ensure the issue is resolved as quickly as possible.

Scope of impact: This issue is impacting various Microsoft 365 apps and services for users.

Next update by: Friday, July 19, 2024, by 2:30 AM UTC

We're continuing to observe an increase in service availability as we continue to failover the affected traffic. We're continuing our traffic redirection efforts while investigating the root cause.

This quick update is designed to give the latest information on this issue.

Title: Users may be unable to access various Microsoft 365 apps and services

User impact: Users may be unable to access various Microsoft 365 apps and services.

More info: Users may notice that some of the affected users are seeing relief as we continue to mitigate the impact.

Impacted services may include but are not limited to the following:
- SharePoint Online: Users may be unable to access SharePoint Online sites.
- OneDrive for Business: Users may be unable to access OneDrive for Business content.
- Microsoft Teams: Users may be unable to leverage Microsoft Teams functions including chat, messaging, and meeting management.
- Microsoft Intune: Users may experience failures with device check-in, syncing and device enrollment.
- PowerBI: Users may notice that their service is in read-only mode while we address impact.
- Microsoft Fabric: Users may notice that their service is in read-only mode while we address impact.
- Microsoft Defender: Users may be intermittently unable to access the Microsoft Defender portal. Additionally, users may notice delays of up to two hours when raising new detections.
- Microsoft Defender for Endpoint: Admins and users may notice API requests failing and errors when opening Alerts in the Alerts page.
- Viva Engage: Users may be unable to access Viva Engage.
- Microsoft 365 admin center: Admins may be intermittently unable to access the Microsoft 365 admin center and any action may be delayed if accessible.
- Windows 365: Admins may be unable to manage existing Cloud PCs or provision new Cloud PCs. End users in the impacted region may not be able to access their Cloud PC.

Current status: We remain focused on redirecting the impacted traffic to healthy systems as we investigate the root cause. Your organization may experience relief as our mitigation efforts progress. We understand the impact that this issue may have on your organization and we're continuing to treat this event with the highest priority.

Scope of impact: This issue is impacting various Microsoft 365 apps and services for users.

Next update by: Friday, July 19, 2024, by 1:30 AM UTC

We're continuing to work on rerouting the impacted traffic to alternate systems to alleviate impact in a more expedient fashion. In parallel, our investigation into the underlying cause of the problem is ongoing.

This quick update is designed to give the latest information on this issue.

Title: Users may be unable to access various Microsoft 365 apps and services

User impact: Users may be unable to access various Microsoft 365 apps and services.

More info: Impact includes but is not limited to the following apps and services:
- SharePoint Online: Users may be unable to access SharePoint Online sites.
- OneDrive for Business: Users may be unable to access OneDrive for Business content.
- Microsoft Teams: Users may be unable to leverage Microsoft Teams functions including chat, messaging, and meeting management.
- Microsoft Intune: Users may experience failures with device check-in, syncing and device enrollment.
- PowerBI: Users may be unable to access the Power BI service and may see an error message when attempting to do so.
- Viva Engage: Users may be unable to access Viva Engage.
- Microsoft 365 admin center: Admins may be intermittently unable to access the Microsoft 365 admin center and any action may be delayed if accessible.

Current status: We're rerouting affected traffic out of the impacted infrastructure while we continue to investigate the cause of the issue.

Scope of impact: This issue appears to be impacting various Microsoft 365 apps and services for users.

Next update by: Friday, July 19, 2024, by 12:30 AM UTC

Title: Users may be unable to access various Microsoft 365 apps and services

User impact: Users may be unable to access various Microsoft 365 apps and services.

Current status: We're investigating reports of issues in which users are unable to access various Microsoft 365 apps and services. We're looking into the cause of this incident and the best mitigation pathway forward. We will provide an update within 30 minutes.